Astronomy and Astrophysics – Astrophysics
Scientific paper
2006-10-11
Mon.Not.Roy.Astron.Soc.374:634-646,2007
Astronomy and Astrophysics
Astrophysics
19 pages, 11 figures. Accepted for publication in MNRAS. Replaced with correct figure 1
Scientific paper
10.1111/j.1365-2966.2006.11178.x
Nine quasar absorption spectra at 21-cm and UV rest-wavelengths are used to estimate possible variations in x=alpha^2 g_p mu, (alpha is the fine structure constant, g_p the proton g-factor and mu=me/mp the electron-to-proton mass ratio). We find
Curran Stephen J.
Flambaum Victor V.
Murphy Michael T.
Tzanavaris Panayiotis
Webb John K.
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